The article Insights into Present-Day Crustal Motion in the Central Mediterranean Area
Chapter 3, Problem 9(choose chapter or problem)
The article “Insights into Present-Day Crustal Motion in the Central Mediterranean Area from GPS Surveys” (M. Anzidei, P. Baldi, et al., Geophysical Journal International, 2001:98–100) reports that the components of velocity of the earth’s crust in Zimmerwald, Switzerland, are \(22.10 \pm 0.34 \mathrm{~mm} / \text { year }\) in a northerly direction and \(14.3 \pm 0.32 \mathrm{~mm} / \text { year }\) in an easterly direction.
a. Estimate the velocity of the earth’s crust, and find the uncertainty in the estimate.
b. Using your answer to part (a), estimate the number of years it will take for the crust to move \(100 \mathrm{~mm}\), and find the uncertainty in the estimate.
Equation Transcription:
Text Transcription:
22.10 \pm 0.34 mm/year
14.3 \pm 0.32 mm/year
100 mm
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